41005-ZW9-A34ZB Case Gear NHB14M - Overview. The 41005-ZW9-A34ZB Case Gear NHB14M is a crucial component used in Honda marine engine systems, particularly designed for the gear case assembly. It plays a vital role in transmitting mechanical motion within the system, ensuring smooth operation and reliable performance. Engineered to integrate seamlessly with existing parts, this case gear supports optimal functioning and longevity of the equipment.. Key Features. High-quality OEM gear case designe